Fibocom L830-EB - 3.6 Status Indicator

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L830-EB Hardware User Manual Page 26 of 39
3.6 Status Indicator
The L830 module provides three signals to indicate the operating status of the module, and the status
indicator pins as shown in the following table:
Pin
Pin Name
I/O
Reset Value
Pin Description
Type
10
LED1#
O
PD
System status LED, drain
output.
CMOS 3.3V
23
WOWWAN#
O
PU
Module wakes up Host (AP).
CMOS 1.8V
3.6.1 LED#1 Signal
The LED#1 signal is used to indicate the operating status of the module, and the detailed description as
shown in the following table:
Module Status
LED1# Signal
RF function ON
Low level (LED On)
RF function OFF
High level (LED Off)
The LED driving circuit is as follows:
Figure 3-14 LED Driving Circuit
Note:
The resistance of LED current-limiting resistor is selected according to the driving voltage and
the driving current.